Low noise amplifier (T466E)

Found in 1948 MIT documentation, this 4-tube amplifier is characterized by its low noise level.

Thermal Bridge 741 (CB13228E)
This circuit was found in an American documentation from the 70s, but it can be implemented with a...
6 to 9.5 W amplifier TDA1010 (CB15978E)
This integrated contains a Class B circuit originally developed to provide 6 W in a car radio...
Differential Pair (CB6134E)
This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be...